{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# `SourceName` 解读"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## `SourceNameNode`\n",
    "\n",
    "```c++\n",
    "/*!\n",
    " * \\brief The source name in the Span\n",
    " * \\sa SourceNameNode, Span\n",
    " */\n",
    "class SourceName;\n",
    "/*!\n",
    " * \\brief The name of a source fragment.\n",
    " */\n",
    "class SourceNameNode : public Object {\n",
    " public:\n",
    "  /*! \\brief The source name. */\n",
    "  String name;\n",
    "  // override attr visitor\n",
    "  void VisitAttrs(AttrVisitor* v) { v->Visit(\"name\", &name); }\n",
    "\n",
    "  static constexpr bool _type_has_method_sequal_reduce = true;\n",
    "\n",
    "  bool SEqualReduce(const SourceNameNode* other, SEqualReducer equal) const {\n",
    "    return equal(name, other->name);\n",
    "  }\n",
    "\n",
    "  static constexpr const char* _type_key = \"SourceName\";\n",
    "  TVM_DECLARE_FINAL_OBJECT_INFO(SourceNameNode, Object);\n",
    "};\n",
    "```\n",
    "\n",
    "`SourceNameNode` 继承自 `Object` 类的子类，它表示源代码片段的名称。该类具有以下成员变量和成员函数：\n",
    "\n",
    "- `name`：一个字符串类型的成员变量，表示源代码片段的名称。\n",
    "- `VisitAttrs(AttrVisitor* v)`：一个成员函数，用于访问属性。它接受一个指向`AttrVisitor`对象的指针作为参数，并调用`v->Visit(\"name\", &name)`来访问`name`属性。\n",
    "- `_type_has_method_sequal_reduce`：一个静态常量表达式布尔值，表示该类型是否具有`SEqualReduce`方法。\n",
    "- `SEqualReduce(const SourceNameNode* other, SEqualReducer equal) const`：一个成员函数，用于比较两个`SourceNameNode`对象是否相等。它接受一个指向另一个`SourceNameNode`对象的指针和一个`SEqualReducer`对象作为参数，并使用`equal`函数比较两个对象的`name`属性是否相等。\n",
    "- `_type_key`：一个静态常量字符指针，表示该类型的键。\n",
    "- `TVM_DECLARE_FINAL_OBJECT_INFO(SourceNameNode, Object)`：一个宏定义，用于声明`SourceNameNode`对象的最终信息。\n",
    "\n",
    "总体来说，这段代码定义了一个表示源代码片段名称的类，并提供了相应的属性访问和相等性比较功能。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## `SourceName`\n",
    "\n",
    "```c++\n",
    "/*!\n",
    " * \\brief The source name of a file span.\n",
    " * \\sa SourceNameNode, Span\n",
    " */\n",
    "class SourceName : public ObjectRef {\n",
    " public:\n",
    "  /*!\n",
    "   * \\brief Get an SourceName for a given operator name.\n",
    "   *  Will raise an error if the source name has not been registered.\n",
    "   * \\param name Name of the operator.\n",
    "   * \\return SourceName valid throughout program lifetime.\n",
    "   */\n",
    "  TVM_DLL static SourceName Get(const String& name);\n",
    "\n",
    "  TVM_DEFINE_OBJECT_REF_METHODS(SourceName, ObjectRef, SourceNameNode);\n",
    "};\n",
    "```\n",
    "\n",
    "`SourceName` 类，它继承自 `ObjectRef` 类。该类具有以下成员函数：\n",
    "\n",
    "- `Get(const String& name)`：一个静态成员函数，用于获取给定算子名称的 `SourceName` 对象。如果源名称尚未注册，则会引发错误。该函数接受字符串类型的参数 `name`，表示算子的名称，并返回在整个程序生命周期内有效的 `SourceName` 对象。\n",
    "- `TVM_DEFINE_OBJECT_REF_METHODS(SourceName, ObjectRef, SourceNameNode)`：一个宏定义，用于定义 `SourceName` 对象的引用方法。\n",
    "\n",
    "总体来说，这段代码定义了一个用于获取算子名称对应的 `SourceName` 对象的类，并提供了相应的引用方法。"
   ]
  }
 ],
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  "language_info": {
   "name": "python"
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